Caterpillar C13 Industrial 238-6725 LINES GP-WATER–SINGLE TEMPERATURE REGULATOR Parts
Caterpillar C13 238-6725 LINES GP-WATER–SINGLE TEMPERATURE REGULATOR: 19 catalog entries transcribed from the supplied original PDF from the C13 Industrial Engine · LGK1-Up (Engine) configuration.
Engine and Catalog Identification
Source configuration: C13 Industrial Engine · LGK1-Up (Engine). Application: Industrial. Reviewed chapter: 238-6725 LINES GP-WATER–SINGLE TEMPERATURE REGULATOR. Archive index label: 238-6725 LINES GP-WATER–SINGLE TEMPERATURE REGULATOR. The supplied archive identifies its source as CATERPILLAR C13 INDUSTRIAL ENIGNE PARTS MANUAL.pdf; source page 417. Check the full engine serial number, arrangement number, application and original notes before ordering. This section does not establish interchangeability with other configurations.
Original PDF Assembly Scope and Conditions
Original PDF physical page 417: GP-WATER 238-6725 LINES –SINGLE TEMPERATURE REGULATOR PROVIDES SINGLE THERMOSTAT WATER REGULATOR HOUSING WITH 190 DEGREE FAHRENHEIT THERMOSTAT, WATER BYPASS LINE, AND A VERTICAL 2 INCH WATER OUTLET CONNECTION AN ATTACHMENT.
The parts table retains the separate source assembly for each entry. Drawings retain their own original assembly headings and may show a narrower component scope. Original part numbers, conditions, graphic references, product levels and note flags apply; no interchangeability is implied.
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238-6725 LINES GP-WATER–SINGLE TEMPERATURE REGULATOR Illustrations

Original Caterpillar Parts List
The original part number is retained. Common Caterpillar Number is the same recognized number with its hyphen removed, for example 3N-2886 → 3N2886. Letters, digits and leading zeros remain unchanged. This is a spelling variant, not a substitute part or fitment guarantee. Unrecognized formats are marked for verification. Original quantities and notes apply; quantities do not indicate stock. An em dash represents an empty source field. Original manual page references are retained as source references.
| Ref. | Original Part Number | Common Caterpillar Number | Catalog Qty. | Original Description | Original Catalog Notes | Enquiry |
|---|---|---|---|---|---|---|
| 1 | 224-6361 | 2246361 | 1 | SEAL (TEMPERATURE REGULATOR) | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 2 | 227-5075 | 2275075 | 1 | SEAL (TEMPERATURE REGULATOR HOUSING) | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 3 | 238-6721 | 2386721 | 1 | BASE | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 4 | 238-6728 | 2386728 | 1 | TUBE-BYPASS | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 5 | 238-6730 | 2386730 | 1 | HOUSING AS-REGULATOR | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 5A | 3S-9643 | 3S9643 | 1 | SEAL-LIP TYPE (WATER TEMPERATURE REGULATOR) | Graphic ref.: 1; Product level: 2; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 6 | 239-8135 | 2398135 | 1 | VALVE AS-VENT (TEMPERATURE REGULATOR) (WATER LINES) | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| — | 9X-7380 | 9X7380 | 1 | SEAL-O-RING | Graphic ref.: 1; Product level: 2; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 7 | 247-7133 | 2477133 | 1 | REGULATOR-WATER TEMPERATURE (98-DEG C) (COOLANT) | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 8 | 230-2603 | 2302603 | 4 | BOLT (M8X1.25X90-MM) | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 9 | 5P-9436 | 5P9436 | 2 | PLUG-THREADED O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 10 | 6V-5063 | 6V5063 | 2 | SEAL-O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 11 | 6V-6609 | 6V6609 | 3 | SEAL-O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 12 | 6V-9027 | 6V9027 | 1 | SEAL-O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 13 | 7L-6580 | 7L6580 | 2 | SEAL-O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 14 | 8T-0292 | 8T0292 | 4 | BOLT (M8X1.25X90-MM) | Original note flags: M; Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 15 | 9M-1974 | 9M1974 | 4 | WASHER-HARD (8.8X16X2-MM THK) | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 16 | 9S-4182 | 9S4182 | 1 | PLUG (STRAIGHT THREAD O-RING) | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
| 17 | 9S-8005 | 9S8005 | 3 | PLUG-O RING | Graphic ref.: 1; Product level: 1; Source PDF section: 238-6725 LINES GP-WATER | Request a Quote |
Original PDF Table Notes
M-METRIC PART
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